From: Jiri Pirko <jiri@resnulli.us>
To: Jian-Hong Pan <starnight@g.ncu.edu.tw>
Cc: "Andreas Färber" <afaerber@suse.de>,
"David S . Miller" <davem@davemloft.net>,
"Alan Cox" <gnomes@lxorguk.ukuu.org.uk>,
linux-lpwan@lists.infradead.org, netdev@vger.kernel.org,
"<linux-arm-kernel@lists.infradead.org\\"
<linux-arm-kernel@lists.infradead.org>,
"linux-kernel@vger.kernel.org>," <linux-kernel@vger.kernel.org>,
"Marcel Holtmann" <marcel@holtmann.org>,
"Dollar Chen" <dollar.chen@wtmec.com>,
"Ken Yu" <ken.yu@rakwireless.com>,
"linux-wpan - ML" <linux-wpan@vger.kernel.org>
Subject: Re: [PATCH v5 5/6] net: maclorawan: Implement maclorawan class module
Date: Tue, 18 Dec 2018 15:27:56 +0100 [thread overview]
Message-ID: <20181218142756.GA2031@nanopsycho> (raw)
In-Reply-To: <CAC=mGziN5KrXPMAXoN_hhfQrtofCeyzTr4AjbbJLOoJ+p2+Nng@mail.gmail.com>
Tue, Dec 18, 2018 at 03:27:09PM CET, starnight@g.ncu.edu.tw wrote:
>> Sun, Dec 16, 2018 at 11:18:59AM CET, starnight@g.ncu.edu.tw wrote:
>> >LoRaWAN defined by LoRa Alliance(TM) is the MAC layer over LoRa devices.
>> >
>> >This patch implements part of Class A end-devices SoftMAC defined in
>> >LoRaWAN(TM) Specification Ver. 1.0.2:
>> >1. End-device receive slot timing
>> >2. Only single channel and single data rate for now
>> >3. Unconfirmed data up/down message types
>> >
>> >On the other side, it defines the basic interface and operation
>> >functions for compatible LoRa device drivers.
>> >
>> >Signed-off-by: Jian-Hong Pan <starnight@g.ncu.edu.tw>
>> >---
>> >V2:
>> >- Split the LoRaWAN class module patch in V1 into LoRaWAN socket and
>> > LoRaWAN Soft MAC modules
>> >- Modify for Big/Little-Endian
>> >- Use SPDX license identifiers
>> >
>> >V3:
>> >- Remove the decoration word - inline of the functions
>> >- Order local variables from longest to shortest line in the functions
>> >- Change the calling mac_cb function to lrw_get_mac_cb macro
>> >
>> >V4:
>> >- Fix the delay period between RX window#1 and window#2
>> >- Fix by coding style report from scripts/checkpatch.pl
>> >
>> >V5:
>> >- Initial rx_skb_list when it is allocated with LoRa hardware
>> >- Check the sk_buff's data length before access it
>> >- Deal FPort field and decrypt payload in lrw_parse_frame function
>> >- Drop the recieved frame if parse failed
>> >- Fix the bug which passes wrong skb properties from maclorawan to lorawan module
>> >
>> > net/maclorawan/Kconfig | 14 +
>> > net/maclorawan/Makefile | 2 +
>> > net/maclorawan/mac.c | 555 ++++++++++++++++++++++++++++++++++++
>> > net/maclorawan/main.c | 606 ++++++++++++++++++++++++++++++++++++++++
>> > 4 files changed, 1177 insertions(+)
>> > create mode 100644 net/maclorawan/Kconfig
>> > create mode 100644 net/maclorawan/Makefile
>> > create mode 100644 net/maclorawan/mac.c
>> > create mode 100644 net/maclorawan/main.c
>>
>>
>> I don't get it. In patch "Add LoRaWAN API declaration for LoRa devices"
>> you add headers for "API" and here you implement functions. That is just
>> weird. Does it mean you can have other implementations?
>
>LoRaWAN defined by LoRa Alliance(TM) is the MAC layer over LoRa PHY.
>This part is soft-MAC as Andreas mentioned
>http://lists.infradead.org/pipermail/linux-lpwan/2018-December/000010.html
Okay, that does not answer my concern about header file in one patch and
the actual implementation of functions in another one.
>
>> Also, you don't really have any user of this API in the set. Please
>> introduce at least 1 driver, preferably more (I see that Andreas has
>> multiple ones in his patchset). You cannot push kernel infrastructure
>> without kernel user.
>
>The soft-MAC is suitable for the LoRa chips' device drivers, like
>sx1276/77/78/79, RFM95/96/97/98W ...
>Still waiting for Andreas' sx1276 version 2 patch and more discussion.
>For example, how to make PF_LORA and PF_LORAWAN like Ethernet, PF_INET
>and PF_INET6 don't need separate devices either, both use eth0.
>https://lkml.org/lkml/2018/8/3/266
Then you should push this is RFC or together with Andreases work in a
single patchset. Infra without users cannot be merged.
>
>Jian-Hong Pan
next prev parent reply other threads:[~2018-12-18 14:35 UTC|newest]
Thread overview: 74+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-23 17:15 [RFC 0/3 net] lorawan: Add LoRaWAN soft MAC module Jian-Hong Pan
2018-08-23 17:15 ` [RFC 1/3 net] lorawan: Add LoRaWAN class module Jian-Hong Pan
2018-08-23 17:43 ` Randy Dunlap
2018-08-24 15:58 ` Jian-Hong Pan
2018-09-23 16:40 ` Andreas Färber
2018-09-26 15:52 ` Jian-Hong Pan
2018-11-05 16:55 ` [PATCH V2 0/7] net: lorawan: Add LoRaWAN soft MAC module Jian-Hong Pan
2018-11-05 16:55 ` [PATCH V2 1/7] net: lorawan: Add macro and definition for LoRaWAN Jian-Hong Pan
2018-11-05 16:55 ` [PATCH V2 2/7] net: lorawan: Add LoRaWAN socket module Jian-Hong Pan
2018-11-05 18:16 ` David Miller
2018-11-06 14:28 ` Jian-Hong Pan
2018-11-14 16:01 ` [PATCH V3 0/7] net: lorawan: Add LoRaWAN soft MAC module Jian-Hong Pan
2018-11-14 16:01 ` [PATCH V3 1/7] net: lorawan: Add macro and definition for LoRaWAN Jian-Hong Pan
2018-11-14 16:12 ` Andreas Färber
2018-11-17 6:47 ` Jian-Hong Pan
2018-11-14 16:01 ` [PATCH V3 2/7] net: lorawan: Add LoRaWAN socket module Jian-Hong Pan
2018-11-17 4:32 ` David Miller
2018-11-17 14:54 ` Jian-Hong Pan
2018-12-04 14:13 ` [PATCH V4 0/6] net: lorawan: Add LoRaWAN soft MAC module Jian-Hong Pan
2018-12-04 14:13 ` [PATCH V4 1/6] net: lorawan: Add LoRaWAN socket module Jian-Hong Pan
2018-12-04 14:13 ` [PATCH V4 2/6] net: lorawan: Add LoRaWAN API declaration for LoRa devices Jian-Hong Pan
2018-12-04 14:13 ` [PATCH V4 3/6] net: maclorawan: Add maclorawan module declaration Jian-Hong Pan
2018-12-04 14:13 ` [PATCH V4 4/6] net: maclorawan: Implement the crypto of maclorawan module Jian-Hong Pan
2018-12-04 14:13 ` [PATCH V4 5/6] net: maclorawan: Implement maclorawan class module Jian-Hong Pan
2018-12-04 20:45 ` Alan Cox
2018-12-09 8:27 ` Jian-Hong Pan
2018-12-16 10:18 ` [PATCH v5 0/6] net: lorawan: Add LoRaWAN soft MAC module Jian-Hong Pan
2018-12-17 13:51 ` Jiri Pirko
2018-12-16 10:18 ` [PATCH v5 1/6] net: lorawan: Add LoRaWAN socket module Jian-Hong Pan
2018-12-29 7:27 ` Andreas Färber
2019-01-07 14:47 ` Jian-Hong Pan
2019-01-13 14:51 ` Jian-Hong Pan
2018-12-16 10:18 ` [PATCH v5 2/6] net: lorawan: Add LoRaWAN API declaration for LoRa devices Jian-Hong Pan
2018-12-16 10:18 ` [PATCH v5 3/6] net: maclorawan: Add maclorawan module declaration Jian-Hong Pan
2018-12-16 10:18 ` [PATCH v5 4/6] net: maclorawan: Implement the crypto of maclorawan module Jian-Hong Pan
2018-12-16 10:18 ` [PATCH v5 5/6] net: maclorawan: Implement maclorawan class module Jian-Hong Pan
2018-12-17 14:02 ` Jiri Pirko
2018-12-18 14:27 ` Jian-Hong Pan
2018-12-18 14:27 ` Jiri Pirko [this message]
2018-12-18 15:34 ` Jian-Hong Pan
2018-12-18 18:49 ` Andreas Färber
2018-12-19 11:27 ` Ben Whitten
2018-12-19 16:26 ` Jian-Hong Pan
2018-12-20 9:20 ` Xue Liu
2018-12-20 16:00 ` Jian-Hong Pan
2018-12-28 8:11 ` Netlink userspace tools for LoRa(WAN), FSK, Sigfox, BLE, etc. (was: [PATCH v5 5/6] net: maclorawan: Implement maclorawan class module) Andreas Färber
2018-12-28 15:49 ` Alexander Aring
2018-12-20 10:19 ` [PATCH v5 5/6] net: maclorawan: Implement maclorawan class module Ben Whitten
2018-12-20 15:31 ` Andreas Färber
2018-12-16 10:19 ` [PATCH v5 6/6] net: lorawan: List LORAWAN in menuconfig Jian-Hong Pan
2018-12-17 8:50 ` Xue Liu
2018-12-17 14:19 ` Andreas Färber
2018-12-18 13:50 ` Xue Liu
2018-12-24 15:32 ` Alexander Aring
2018-12-28 4:57 ` Andreas Färber
2018-12-28 15:43 ` Alexander Aring
2018-12-29 6:28 ` Andreas Färber
2018-12-04 14:13 ` [PATCH V4 " Jian-Hong Pan
2018-11-14 16:01 ` [PATCH V3 3/7] net: lorawan: Add LoRaWAN API declaration for LoRa devices Jian-Hong Pan
2018-11-14 16:01 ` [PATCH V3 4/7] net: maclorawan: Add maclorawan module declaration Jian-Hong Pan
2018-11-17 4:32 ` David Miller
2018-11-17 6:32 ` Jian-Hong Pan
2018-11-14 16:01 ` [PATCH V3 5/7] net: maclorawan: Implement the crypto of maclorawan module Jian-Hong Pan
2018-11-14 16:01 ` [PATCH V3 6/7] net: maclorawan: Implement maclorawan class module Jian-Hong Pan
2018-11-14 16:01 ` [PATCH V3 7/7] net: lorawan: List LORAWAN in menuconfig Jian-Hong Pan
2018-11-05 16:55 ` [PATCH V2 3/7] net: lorawan: Add LoRaWAN API declaration for LoRa devices Jian-Hong Pan
2018-11-05 16:55 ` [PATCH V2 4/7] net: maclorawan: Add maclorawan module declaration Jian-Hong Pan
2018-11-05 16:55 ` [PATCH V2 5/7] net: maclorawan: Implement the crypto of maclorawan module Jian-Hong Pan
2018-11-05 16:55 ` [PATCH V2 6/7] net: maclorawan: Implement maclorawan class module Jian-Hong Pan
2018-11-05 16:55 ` [PATCH V2 7/7] net: lorawan: List LORAWAN in menuconfig Jian-Hong Pan
2018-08-23 17:15 ` [RFC 2/3 net] lorawan: Add macro and definition for LoRaWAN class modlue Jian-Hong Pan
2018-09-23 16:06 ` Andreas Färber
2018-09-26 14:46 ` Jian-Hong Pan
2018-08-23 17:15 ` [RFC 3/3 net] lorawan: List LORAWAN in menuconfig Jian-Hong Pan
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